PSY 7864 Capella University Data Analysis & Application Template Research Paper

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Instructions

Complete the following for this assignment:

  • You will complete this assignment using the Data Analysis and Application template (DAA Template [DOC]).
  • Refer to IBM SPSS Step-by-Step Guide: One-Way ANOVA [DOC] for additional information on using SPSS for this assignment.
  • If necessary, review the Copy/Export Output Instructions [HTML]
    to refresh your memory on how to perform these tasks. Your submission
    should be in narrative format with supporting statistical output (table
    and graphs) integrated into the narrative in the appropriate places (not
    all at the end of the document).
  • As you work on this assignment, you may find the Data Set Instructions [DOC] helpful.

You will analyze the correlations among the following variables in the grades.sav data set:

  • section.
  • quiz3.

Step 1: Write Section 1 of the DAA: The Data Analysis Plan.

  • Briefly describe the goal of your analysis.
  • State your research question, null, and alternate hypothesis.
  • Specify the variables used in this analysis (predictor, outcome) and the scale of measurement of each variable.
  • State the sample size (N) and the alpha level you will use (.05 unless otherwise specified).
  • Explain why the analysis is a good choice based on the nature of your variables.

Step 2: Write Section 2 of the DAA: Testing Assumptions.

  • Articulate and test the assumptions of ANOVA.
  • Paste the SPSS histogram output for quiz3 and discuss your visual interpretations.
  • Paste SPSS descriptives output showing skewness and kurtosis values for quiz3 and interpret them.
  • Paste the SPSS descriptives output showing skewness and kurtosis values for quiz3 and interpret them.
  • Paste the SPSS output for the Shapiro-Wilk test of quiz3 and interpret it.
  • Report the results of the Levene test and interpret it.
  • Explain whether the assumptions of ANOVA are met. If assumptions
    are not met, discuss how to ameliorate violations of the assumptions.

Step 3: Write Section 3 of the DAA: Results and Interpretation.

  • Paste the SPSS output of the means plot and provide an interpretation.
  • Also report the means and standard deviations of quiz3 for each level of the section variable.
  • Paste the SPSS ANOVA output and report the results of the F test. Include the following
    • Degrees of freedom.
    • F value.
    • p value.
    • Calculated effect size.
    • Interpretation of the effect size.
    • Finally, if the omnibus F is significant, provide the SPSS post-hoc (Tukey HSD) output.
    • Interpret the post-hoc tests.
  • Interpret statistical results against the null hypothesis and state whether it is accepted or rejected.

Step 4: Write Section 4 of the DAA: Statistical Conclusions.

  • Provide a brief summary of your analysis and the conclusions drawn.
  • Analyze the limitations of the statistical test.
  • Provide any possible alternate explanations for the findings and potential areas for future exploration.

Step 5: Write Section 5 of the DAA: Application.

  • Analyze how you might use this statistical approach in your field and what the potential implications would be.

Submit your DAA template as an attached Word document in the assignment area.

Readings

Read about how to apply your knowledge of ANOVA and run some analyses in SPSS.

  • George, D., & Mallery, P. (2019). IBM SPSS statistics 25 step by step: A simple guide and reference (15th ed.). New York, NY: Routledge.
    • Chapter 12, pages 159–168, describes how to run an ANOVA in SPSS.
  • Field, A. (2018). Discovering statistics using IBM SPSS: North American edition (5th ed.). Thousand Oaks, CA: Sage.
    • Review Chapter 12’s information on post hoc procedures and output from one-way ANOVAs to help you with your assignment.
  • The 7864 Course Study Guide [PDF] highlights
    content to focus on as you read and absorb the materials. You may also
    find some additional articles with direct relevance to your field here.

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